relwin

Chrysler Classic Speed Festival 1998. A group of Mustangs, Cobras, Corvettes start racing. With some track announcements. From an old ...

Japanese election promo trucks with loudspeaker megaphones rolling through Shinjuku playing inspirational marching music.

An orchestra's starting tuning note, building up, then stopping, with audience ambient sounds.

An orchestra warming up then stopping, with audience ambient sounds.

NOAA Southern California coastal weather report, computerized speech. Good ambiance for shark movies with boats. Captured with SDR# software and ...

Digital radio EMT voice traffic with static. Recorded with SDR# software and RTL DVB dongle tuner.

Digital radio EMT voice traffic, dispatch, status. Recorded with SDR# software and RTL DVB dongle tuner.

Digital radio modem, FM audio conversion, around 850MHz, continuous with static noise. Recorded with SDR# software and RTL DVB dongle ...

Digital radio modem, FM audio conversion, around 853MHz, intermittent static and noise. Recorded with SDR# software and RTL DVB dongle ...

Digital radio modem, FM audio conversion, around 173MHz, periodic burst transmission, probably a LoJack device. Recorded with SDR# software and ...

Digital radio modem, FM audio conversion, around 850MHz, pulsing with static noise. Recorded with SDR# software and RTL DVB dongle ...

Digital radio modem, FM audio conversion, around 850MHz, static noise, stray voice transmission at end. Recorded with SDR# software and ...

Digital radio modem, FM audio conversion, around 850MHz, fast pulsing, noisier with static. Recorded with SDR# software and RTL DVB ...

Digital radio modem, FM audio conversion, around 850MHz, cyclic pulsing. Recorded with SDR# software and RTL DVB dongle tuner.

Digital radio modem, FM audio conversion. Pulsing and annoying. Recorded with SDR# software and RTL DVB dongle tuner.